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Koster Polysil TG 500 is a thin liquid based on polymers and silicates. On salt burdened and on damp substrates it leads to a reduction of the pore volume and decreases the likelihood of new salt efflorescence development. It also increases the chemical and mechanical resistance of mineral building materials. Depending on the substrate, the product penetrates the surface up to 2 cm deep. Koster Polysil TG 500 also has strengthening and hydrophobing properties. The material is compatible with mortars, plasters, cementitious slurries and concrete.
Product Code: KOS059
Availability: In stock
£93.77
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KOSTER NB1 GREY 25KG

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£75.15
Koster NB 1 Grey is a BBA Approved mineral based, sulphate resistant waterproofing system for positive and negative side waterproofing against pressurised water. It contains migratory crystallising and capillary-plugging agents. It can be used for waterproofing against ground moisture, and for non-pressurised and pressurised water. Waterproofing done with Koster NB 1 Grey is characterised by excellent resistance to pressure and abrasion as well as chemical and sulphate resistance.